in custody? >> well, he is -- what they describe to us, he lawyered up. he is at this point not cooperating. the robot watching it defuse -- or not defuse, but make the -- be able to deactivate the system of the trip wires and potential threats, a, it gives you tremendous confidence. i mean the fbi is working with the bureau of alcohol, tobacco and firearms with the local police, the state patrol. everybody was working together, as they did on thursday night. one of the real bright lights of this is that before 9/11, i don't think we could have ever responded to this level of tragedy, 70 people that had been injured or killed, and get such efficiency and get everyone working together almost seamlessly. so even that safety and then also how they worked with this bomb thing. we're getting through this, but we still can't get into the mind of this twisted, really delusional individual. >> and there's no sense of what caused him to go off of the path he was as a doctoral student in neuroscience, somebody who may have been isolated and private but had a lot going for him on the outside. nothing